/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package com.feilong.lib.org.apache.http.cookie;

import java.util.List;

import com.feilong.lib.org.apache.http.Header;
import com.feilong.lib.org.apache.http.annotation.Obsolete;

/**
 * Defines the cookie management specification.
 * <p>
 * Cookie management specification must define
 * <ul>
 * <li>rules of parsing "Set-Cookie" header
 * <li>rules of validation of parsed cookies
 * <li>formatting of "Cookie" header
 * </ul>
 * for a given host, port and path of origin
 * <p>
 * Please do not use methods marked as @Obsolete. They have been rendered
 * obsolete by RFC 6265.
 *
 * @since 4.0
 */
public interface CookieSpec{

    /**
     * Returns version of the state management this cookie specification
     * conforms to.
     *
     * @return version of the state management specification
     */
    @Obsolete
    int getVersion();

    /**
     * Parse the {@code "Set-Cookie"} Header into an array of Cookies.
     *
     * <p>
     * This method will not perform the validation of the resultant
     * {@link Cookie}s
     * </p>
     *
     * @see #validate
     *
     * @param header
     *            the {@code Set-Cookie} received from the server
     * @param origin
     *            details of the cookie origin
     * @return an array of {@code Cookie}s parsed from the header
     * @throws MalformedCookieException
     *             if an exception occurs during parsing
     */
    List<Cookie> parse(Header header,CookieOrigin origin) throws MalformedCookieException;

    /**
     * Validate the cookie according to validation rules defined by the
     * cookie specification.
     *
     * @param cookie
     *            the Cookie to validate
     * @param origin
     *            details of the cookie origin
     * @throws MalformedCookieException
     *             if the cookie is invalid
     */
    void validate(Cookie cookie,CookieOrigin origin) throws MalformedCookieException;

    /**
     * Determines if a Cookie matches the target location.
     *
     * @param cookie
     *            the Cookie to be matched
     * @param origin
     *            the target to test against
     *
     * @return {@code true} if the cookie should be submitted with a request
     *         with given attributes, {@code false} otherwise.
     */
    boolean match(Cookie cookie,CookieOrigin origin);

    /**
     * Create {@code "Cookie"} headers for an array of Cookies.
     *
     * @param cookies
     *            the Cookies format into a Cookie header
     * @return a Header for the given Cookies.
     * @throws IllegalArgumentException
     *             if an input parameter is illegal
     */
    List<Header> formatCookies(List<Cookie> cookies);

    /**
     * Returns a request header identifying what version of the state management
     * specification is understood. May be {@code null} if the cookie
     * specification does not support {@code Cookie2} header.
     */
    @Obsolete
    Header getVersionHeader();

}
